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Over the past 25 years, CCTA has planned, funded, and implemented countless projects and programs that improve the lives of Contra Costa residents. All of that work, in addition to transportation terms, policies, plans, and reports are housed here, in the CCTA Library.

The CCTA Library was developed as a resource for individuals, partner agencies, and organizations that want to dive deep into our world. Here, you will find all of the documents and details you could ever need relating to our work. If you still can't find the information you're after, try our search tool at the top of the site or contact us!